add in-depth post
adaption with stefans feedback
Merge pull request #47 from ligthyear/learning-programme-survey

Add Post about In-Depth-Programme survey
update be more specific that this is a learners surve
Merge branch 'gh-pages' of github.com:OpenTechSchool/blog.opentechschool.org into learning-programme-survey
Add Thank you, PayPal post
Add missing PayPal link